Home / 1,309,362,695.60-1,964,044,043.40-340,014,311.60

Finding the Fourth Proportional to 1,309,362,695.60, 1,964,044,043.40 and 340,014,311.60

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Solution

The fourth proportional to 1,309,362,695.60, 1,964,044,043.40 and 340,014,311.60 is: 510,021,467.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,309,362,695.60 : 1,964,044,043.40 = 340,014,311.60 : x
  2. Step 2: Convert to fraction form
    1,309,362,695.60/1,964,044,043.40 = 340,014,311.60/x
  3. Step 3: Cross multiply
    1,309,362,695.60x = 1,964,044,043.40 × 340,014,311.60
  4. Step 4: Simplify right side
    1,309,362,695.60x = 667,803,083,368,731,648
  5. Step 5: Solve for x
    x = 667,803,083,368,731,648/1,309,362,695.60
  6. Step 6: Final answer
    x = 510,021,467.40

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.